Question

If the null hypothesis is that the population mean is equal to 150 and a sample

                mean of 113 gave significant support against the null hypothesis, which of the

                following sample means would be certain to give support against the null

                 hypothesis.

    a) 114                              b.) 122                   c.) 264               d.) 112

_____12) If the p-value is less than the significance level, you would .

     a.) reject the null hypothesis         b.) accept the null hypothesis

     c.) accept the rejection region       d.) accept the test statistic

_____13) If the null hypothesis has been accepted and there truly exists a significant   

                 difference, what type of error has been made?

                 a) none                           b)   type II                    c) type I               d) type III

_____14) If a directional hypothesis is legitimate, which will have greater statistical power?

     a.) a one-tailed test                                   b.) a two-tailed test

     c.) both will have the same power            d.) you can’t run a two tailed test

Answer 1